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Finding the Fourth Proportional to 101,518.04, 140,092.85 and 56,196

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Solution

The fourth proportional to 101,518.04, 140,092.85 and 56,196 is: 77,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,518.04 : 140,092.85 = 56,196 : x
  2. Step 2: Convert to fraction form
    101,518.04/140,092.85 = 56,196/x
  3. Step 3: Cross multiply
    101,518.04x = 140,092.85 × 56,196
  4. Step 4: Simplify right side
    101,518.04x = 7,872,657,939.09
  5. Step 5: Solve for x
    x = 7,872,657,939.09/101,518.04
  6. Step 6: Final answer
    x = 77,549.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.